Re: [PATCH 0/2] kernfs: speed up concurrency performance

2020-12-02 Thread Fox Chen
On Thu, Dec 3, 2020 at 2:28 AM Greg KH wrote: > > On Wed, Dec 02, 2020 at 10:58:35PM +0800, Fox Chen wrote: > > Hello, > > > > kernfs is an important facillity to support pseudo file systems and cgroup. > > Currently, with a global mutex, reading files concurrently from kernfs > > (e.g. /sys) > >

Re: [PATCH 0/2] kernfs: speed up concurrency performance

2020-12-02 Thread Greg KH
On Wed, Dec 02, 2020 at 10:58:35PM +0800, Fox Chen wrote: > Hello, > > kernfs is an important facillity to support pseudo file systems and cgroup. > Currently, with a global mutex, reading files concurrently from kernfs (e.g. > /sys) > is very slow. > > This problem is reported by Brice Goglin

[PATCH 0/2] kernfs: speed up concurrency performance

2020-12-02 Thread Fox Chen
Hello, kernfs is an important facillity to support pseudo file systems and cgroup. Currently, with a global mutex, reading files concurrently from kernfs (e.g. /sys) is very slow. This problem is reported by Brice Goglin on thread: Re: [PATCH 1/4] drivers core: Introduce CPU type sysfs interfa